The Swagman Roll by Helikon Tex serves as a jacket, blanket and a sleeping bag. If you add the Waterproof Poncho you also have a rainjacket and shelter.
Swagman Roll:
https://www.helikon-tex.us/swagman-roll-poncho.html
Waterproof Poncho:
https://www.helikon-tex.us/poncho-u-s-model.html
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